Which of the following statements is accurate regarding exogenous acetylcholine?
1. Acetylcholine has almost no therapeutic effects because it is rapidly destroyed once given.
2. Acetylcholine is broken down rapidly within the body, preventing it from producing adverse effects.
3. Acetylcholine will cause the heart rate to increase and blood pressure to drop.
4. When given in small amounts, acetylcholine will produce profound parasympathetic effects.
Correct Answer: 1
Rationale: Exogenous acetylcholine is not generally administered, because it is rapidly destroyed by the body. It does produce many adverse effects. Acetylcholine can lower blood pressure, but it also lowers heart rate.
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